Masked Visual Stimuli for Noninvasive Subconscious Response Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for analyzing human subjects' responses to visual stimulating content are either invasive or suffer from low sensitivity due to the ability of subjects to deceive test results, particularly when using noninvasive eye movement analysis.
Innovation Solution
A system and method that utilize a display to present multiple sets of images, with a visual stimulating content masked by additional images, tracked by an eye tracking unit and analyzed using a predetermined reference dataset to identify subconscious responses through involuntary eye movements, ensuring the content is displayed at specific time offsets to prevent controlled eye movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If noninvasive eye movement analysis is used, then the method is less invasive and more comfortable for subjects, but the sensitivity is reduced due to the ability of subjects to deceive test results
Solution Approach 1:
The system presents masked visual stimulating content to the subject before the actual test content, priming the visual system and establishing a baseline. This preliminary action ensures that when the actual test content is presented, the involuntary eye movement response can be measured against a controlled baseline, preventing subject deception while maintaining noninvasiveness
Solution Approach 2:
The patent introduces masked visual stimulating content as an intermediary between the subject and the actual test content. This intermediary content includes visual stimuli that are partially concealed, forcing the subject's visual system to respond involuntarily rather than allowing conscious control. The masking acts as a mediator that translates the subject's subconscious responses into measurable eye movement patterns
2Ease of operation
If visual content presentation protocols allow subjects to control their eye movements, then the testing process is simpler, but the test results can be deceived
Solution Approach 1:
The system employs periodic presentation of masked visual stimulating content at specific time intervals. The content is displayed for brief periods followed by masking, creating a rhythmic pattern that prevents subjects from anticipating and controlling their responses. This periodic structure maintains testing simplicity while ensuring reliability by capturing involuntary responses during each cycle
Solution Approach 2:
The patent changes multiple parameters of the visual content presentation, including duration, masking level, and timing offsets. By varying these parameters dynamically, the system prevents subjects from adapting their eye movement patterns to predict the test content. The parameter changes maintain operational simplicity through automated control while significantly improving test result accuracy
Data Source
AI summary
Methods and systems for analyzing involuntary eye movements of a human subject are disclosed. The systems may include means for presenting to the human subject visual content, possibly a video footage, in which some visual stimulus with whom the human subject has some form of relationship on a cognitive or sentiment level is embedded. The generation of the combined video footage is such that the stimulus is briefly presented and masked by the following video footage. The duration of the stimulus is made sufficiently long to invoke a neural response beyond a specified threshold that generates respective ocular effect, and sufficiently short to prevent a controlled eye movement by the human subject. Once measured, the involuntary eye movements are analyzed in view of the respective stimulating portions—e.g., their timing and context, to yield an analysis of the human subject relationship towards the objects presented in the visual stimulating portions.